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Haplochromis nigricans (Boulenger, 1906)

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Haplochromis nigricans
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Tanzania country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in Mwanza Gulf, Lake Victoria (Ref. 28676).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/tz.html
National Fisheries Authority: http://www.isp.msu.edu/AFRICANSTUDIES/PLEA/TAFIRI.HTM
Occurrences: Occurrences Point map
Main Ref: van Oijen, M.J.P., J. Snoeks, P.H. Skelton, C. Maréchal and G.G. Teugels, 1991
National Database:

Common names from other countries

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Cichliformes (Cichlids, convict blennies) 鱸形目 (Cichlids, convict blennies) > Cichlidae (Cichlids) 麗魚科 (Cichlids) > Pseudocrenilabrinae
Etymology: Haplochromis: Greek, Haploos = single + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
  More on author: Boulenger.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水 底中水层性; pH range: 8.0 - 8.0; dH range: 9 - 19.   熱帶; 24°C - 26°C (Ref. 2060); 3°N - 3°S

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Africa: Lake Victoria and Victoria Nile.
非洲: 維多利亞湖與維多利亞尼羅河。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 9.4 cm SL 雄鱼/尚未辨别雌雄; (Ref. 4983)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 15 - 16; 背的软条 (总数) : 10 - 9; 臀棘: 3; 臀鳍软条: 9; 脊椎骨: 29. Moderately convex dorsal head profile, short snout, terminal mouth and broad bands of contiguously set teeth. Distinguished from males of all species of Neochromis by having enlarged cephalic pores, and large scales on the lateral chest surface, gradually changing to small ones only at the level of the ventral fin insertions. Differs further from N. simotes by having a deeper body (38.4% SL vs. 34.0-35.7), a shorter (26.9% HL vs. 30.8-32.5) and narrower (31.7% HL vs. 35.4-37.7) snout, smaller preorbital depth (14.9% HL vs. 16.8-18.7); larger eyes (30.9% HL vs. 27.1-28.7), a shorter (30.1% HL vs. 30.8-33.1) and narrower (27.7-% HL vs. 32.8-34.4) lower jaw, subequally bicuspid crowns to the teeth in the outer rows, fewer inner tooth rows in both jaws (5), larger scales on the occiput, cycloid scales on the caudal part of the dorsum, larger scales on the chest, and the lack of small cycloid scales on the anal/genital region (Ref. 27668).
一般中凸的头部背面轮廓 , 短吻,口部端位且邻近固定齿的宽的地带。 与 Neochromis 的所有种的雄性在侧面的胸表面上借着具有增大的头部孔 , 与大的鳞片,逐渐地只有在腹鳍嵌入的水平变成较小的区分了。 藉由有一个进一步不同于 N. simotes 比较深的身体 (38.4% SL vs.34.0-35.7) ,一个更短的 (26.9% HL vs.30.8-32.5) 与更狭窄的 (31.7% HL vs.35.4-37.7) 吻又比较小的眶前骨深度;(14.9% HL vs.16.8-18.7) 比較大的眼 (30.9% HL vs.27.1-28.7) ,一個更短的 (30.1% HL vs.30.8-33.1) 與更狹窄的 (27.7-% HL vs.32.8-34.4) 下頜, 在外部的列中幾乎相等雙尖的冠到齒, 比較少的內部齒列雙顎內 (5), 在後腦部上的較大的鱗片 , 在背面的尾鰭部份上的圓形的鱗片 , 在胸上的較大的鱗片 , 與缺乏小的圓形鱗片那之上肛門的/生殖的區域.(參考文獻 27668)

生物学特性     字汇 (例如 epibenthic)

Inhabits rocky and shallow areas of the littoral zone (Ref. 4983). In the lake H. nigricans has been observed to graze on algae from rock surfaces (Ref. 558).

栖息于海滨区域的岩石与水浅区域。 (参考文献 4983) 在湖 H. nigricans 中已经被观察啃食藻类从岩石表面。 (参考文献 558)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

Mouthbrooding by females.非洲: 維多利亞湖與維多利亞尼羅河。

主要参考文献 Upload your references | 参考文献 | 合作者 : Kullander, Sven O. | 合作者

Seehausen, O., E. Lippitsch, N. Bouton and H. Zwennes, 1998. Mbipi, the rock-dwelling cichlids of Lake Victoria: description of three new genera and fifteen new species (Teleostei). Ichthyol. Explor. Freshwat. 9(2):129-228. (Ref. 27668)

世界自然保护联盟红皮书 (Ref. 130435)

  数据缺失 (DD) ; Date assessed: 01 April 2010

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的




人类利用

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00700 - 0.03275), b=2.97 (2.80 - 3.14), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  2.2   ±0.1 se; based on diet studies.
回复力 (Ref. 120179):  高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).